275226280 has 64 divisors (see below), whose sum is σ = 738512640. Its totient is φ = 90258432.

The previous prime is 275226253. The next prime is 275226307. The reversal of 275226280 is 82622572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (275226253) and next prime (275226307).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14929 + ... + 27808.

It is an arithmetic number, because the mean of its divisors is an integer number (11539260).

Almost surely, 2^275226280 is an apocalyptic number.

275226280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275226280 is an abundant number, since it is smaller than the sum of its proper divisors (463286360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275226280 is a wasteful number, since it uses less digits than its factorization.

275226280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42778 (or 42774 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 275226280 is about 16589.9451475886. The cubic root of 275226280 is about 650.4740368498.

The spelling of 275226280 in words is "two hundred seventy-five million, two hundred twenty-six thousand, two hundred eighty".